No matter what exhaust you put on this car, be it a 25$ ebay or 250$ hks titanium exhaust, it will always have a deep tone, thats the sound these engines make. You will never get a civic-sounding-mosquito-scooter-rev-your-granda's-chainsaw-like-you-mean-it sound with these cars.... LOL!!!

I have no muffler on mine, i removed the rear muffler and put a piece of straight pipe with a high quality dual tip at the end.

The sound is louder then if you had any type of aftermarket exhaust on it of course, but the tone is still deep and troaty.